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ALWAYS BUILDING
ErsoyLabs
Data-Driven Digital Products & Venture Studio.
Oğuz Hakan Ersoy | Data Analyst @ Garanti BBVA
Bridging the gap between Data and Design.
Hi, I'm Oğuz Hakan Ersoy. I am currently working as a Data Analyst at Garanti BBVA. Beyond my daily corporate work, I am a passionate full-stack developer running ErsoyLabs as a digital venture studio.
I specialize in transforming complex business requirements into sleek, data-driven applications. Whether it's training YOLOv8 models for solar panel analysis or building responsive financial dashboards, I focus on pixel-perfect UI and rock-solid architecture.
Data & AI
Python, Pandas, PostgreSQL, Supabase, Redis, YOLOv8 Computer Vision.
Web Engineering
Next.js 15+, React, TypeScript, Tailwind CSS v4, Framer Motion.
Mobile Apps
React Native, Expo, offline-first architectures, mobile UI/UX.
Analytics
Data Scraping, Selenium, ETL pipelines, Interactive Dashboards (D3.js).
In Dev
HisseOner
HisseOner provides automated stock market insights, candlestick chart analysis, and buy/sell signals based on technical indicators. Built for the Turkish stock exchange (BIST), it features a highly professional trading dashboard with real-time analytics, empowering retail investors to make data-driven decisions.
Tech Stack
React
Node.js
Chart.js
Supabase
Key Features
Technical Analysis
Automated generation of support/resistance levels.
Candlestick Charts
Interactive and customizable financial charts.
Portfolio Tracking
Track ROI and historical performance.
Challenges
- Integrating real-time BIST data feeds securely.
- Optimizing complex canvas-based charts for performance.
Results
- Delivered a smooth 60fps charting experience.
- Created a trustworthy fintech design language.